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SX8663 датащи(PDF) 34 Page - Semtech Corporation |
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SX8663 датащи(HTML) 34 Page - Semtech Corporation |
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34 / 64 page ![]() ADVANCED COMMUNICATIONS & SENSING Rev5 4 th August 2011 © 2011 Semtech Corp. www.semtech.com 34 SX8663 Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer Output 4.4 Power management pins The power management pins consist of the Power, Ground and Regulator pins. VDD VDD is a power pin and is the main power supply for the SX8663. VDD has protection to GROUND. Figure 41 shows a simplified diagram of the VDD pin. Figure 41 Simplified diagram of VDD GND The SX8663 has four ground pins all named GND. These pins and the package center pad need to be connected to ground potential. The GND has protection to VDD. Figure 42 shows a simplified diagram of the GND pin. Figure 42 Simplified diagram of GND VDD SX8663 VDD VDD SX8663 GND GND |
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